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Recherches expérimentales et théoriques sur la solidification et la fusion de glace pour la conception et l'exploitation d'un système à accumulation de glace.

Experimental and theoretical investigations of solidification and melting of ice for the design and operation of an ice store.

Auteurs : KOLLER T., SPINDLER K., MÜLLER-STEINHAGEN H.

Type d'article : Article, Article de la RIF

Résumé

The Institute for Thermodynamics and Thermal Engineering (ITW) of the University of Stuttgart has developed a novel solar powered 10 kW absorption chiller. This chiller was implemented in the cooling system of the institute's building. To achieve a higher efficiency of the cooling system and to extend the hours of operation, a small ice store was designed, constructed and experimentally investigated. The experimental investigations include charging and discharging processes at different inlet temperatures and for different heat exchanger areas. For theoretical investigations a simulation program was developed and validated. Based on the results of these investigations a final heat exchanger design was established. In a further step the ice store was integrated into the building's cooling system. Long term measurements of the cooling system have shown good in-service behaviour of the ice store which fits the specific requirements of the cooling system in combination with the absorption chiller quite well.

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Format PDF

Pages : 1253-1265

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    20 €

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    Gratuit

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Détails

  • Titre original : Experimental and theoretical investigations of solidification and melting of ice for the design and operation of an ice store.
  • Identifiant de la fiche : 30004370
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 35 - n. 5
  • Date d'édition : 08/2012

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